Hayward Universal H-Series 400K BTU Propane Gas Heater | W3H400FDP







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Highlights
Residential
Commercial or Residential
Propane
Gas Type
In-Ground
Pool Type
Product Description
The Hayward Universal H-Series Propane Gas Heater W3H400FDP is a pool and spa heater that uses propane fuel to deliver up to 400,000 BTU of heat. It is designed for new or existing installations and connects to standard pool plumbing and gas lines. The unit emphasizes reduced circulation pump run time, low NOx emissions, and a cupro-nickel heat exchanger for improved corrosion resistance compared with conventional heaters.
Key Benefits
- 400,000 BTU output for rapid pool heating
- Propane fuel configuration for propane gas supply
- Cupro-nickel heat exchanger for saltwater corrosion resistance
- Hydraulic design reduces pump run time to save energy
- Low NOx emissions to meet clean air quality standards
- 2" x 2½" CPVC union plumbing connections
- Forced-draft combustion system for consistent airflow
Specs
Gas Type
Propane
Pool Type
In-Ground
Header Material
Polymer
Exchanger Material
Cupronickel
Commercial Or Residential
Residential
Manuals & Documents
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Our team includes Certified Pool & Spa Operators (CPO) trained by the Pool & Hot Tub Professionals Association.